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A033251
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Primes of form x^2+79*y^2.
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4
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79, 83, 179, 223, 317, 397, 479, 541, 563, 677, 727, 757, 811, 863, 907, 941, 967, 1103, 1277, 1289, 1433, 1489, 1523, 1553, 1867, 1889, 1979, 1993, 1997, 2011, 2039, 2311, 2341, 2383, 2459, 2551, 2579
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OFFSET
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1,1
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COMMENTS
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Also primes of the form x^2-xy+20y^2 with x and y nonnegative. - T. D. Noe, May 08 2005
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REFERENCES
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D. Cox, "Primes of Form x^2 + n y^2", Wiley, 1989.
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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MATHEMATICA
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QuadPrimes[1, 0, 79, 10000] (* see A106856 *)
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CROSSREFS
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Sequence in context: A064991 A051326 A033399 * A015984 A039544 A091819
Adjacent sequences: A033248 A033249 A033250 * A033252 A033253 A033254
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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